Kat & Max are sent to retrieve a ""magma crystal"" from the mouth of an active volcano, but fail.
Regrouping back at N-Tek, one of Electrix's electrobots (captured in a previous episode) attacks Max! No wait, it's not the same old electrobot -- 'Berto has modified it with trans-phasic energy to become an N-Tek ""techbot"": another agent, like Max & Kat. Max is none too pleased about being replaced by ""a bucket of bolts with a motherboard strapped on"", but 'Berto makes him understand that it is just to help, not replace him. Jefferson notes it would have been perfect to send into the volcano, instead of human agents, but Max is still skeptical.
They undertake to train the new ""agent"" over at the N-Tek training island. Things begin to go wrong, and it turns out that Electrix included special code on the motherboard that, if captured, would re-assert the need to attack N-Tek agents, despite 'Berto's programming.
The electrobot activates its three pals in storage, and they take the Behemou